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An analytical process performance model for batch distillations

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DOI: 10.1016/s1570-7946(00)80172-8

Abstract

In this paper we propose an approximate analytical prediction of the minimum reflux ratio required by a batch distillation task, arriving to a completely analytical process performance model for batch distillations. The paper presents the derivation of the analytical prediction of Rmin and compares it with the numerical integration predictions, analyzing and quantifying their discrepancy. Also, it puts together the analytical prediction of Rmin with previously derived analytical predictions of Nmin and the Performance Correlation that relates Nmin, Rmin, N and R to construct the analytical process performance model for batch distillation.

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